eBay - 128x64 0.96 inch OLED Display Module For Arduino I2C communication
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This OLED display uses I2C communication. It is made of 128 by 64 individual OLED pixels and no backlight is required.
Learn how to use the OLED display with the Arduino: Guide for 0.96 inch OLED Display with Arduino
Learn how to use the OLED display with the ESP8266: ESP8266 0.96 inch OLED Display with Arduino IDE